Functional cathode materials for solid oxide fuel cells / J. MOLENDA, K. ŚWIERCZEK, J. MARZEC, W. ZAJĄC // W: EFC 2007 : proceedings of the 2nd European Fuel Cell technology and applications conference : December 11–14, 2007 Rome, Italy : material and fabrication processes cell, stack and system modeling, fuel processing, non-conventional fuels, lab and field tests: real applications, system design and optimization, general issues on fuel cells. — New York : ASME, 2007. — S. 205–206